82515004 has 48 divisors (see below), whose sum is σ = 170797536. Its totient is φ = 34387200.

The previous prime is 82514983. The next prime is 82515023. The reversal of 82515004 is 40051528.

It is a self number, because there is not a number n which added to its sum of digits gives 82515004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103134 + ... + 103930.

It is an arithmetic number, because the mean of its divisors is an integer number (3558282).

Almost surely, 2^82515004 is an apocalyptic number.

It is an amenable number.

82515004 is an abundant number, since it is smaller than the sum of its proper divisors (88282532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82515004 is a wasteful number, since it uses less digits than its factorization.

82515004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 82515004 is about 9083.7769677596. The cubic root of 82515004 is about 435.3557735937.

The spelling of 82515004 in words is "eighty-two million, five hundred fifteen thousand, four".